<template>
  <div class="login_container">
    <div class="login_box">
      <!--头像区域-->
      <div class="avatat_boc">
        <img src="../assets/logo.png" alt="">
      </div>
      <!--登录表单区域-->
      <el-form :model="loginForm" label-width="0px" class="login_form" :rules="loginFormRules" ref="loginFormRef">
        <!--用户名-->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <!--按钮-->
        <el-form-item class="login_btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    data(){
      return{
        // 数据绑定
        loginForm:{
          username:'admin',
          password:'123456'
        },
        // 表单验证
        loginFormRules:{
          // 验证用户名
          username:[
            { required: true, message: '请输入用户名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          // 验证密码
          password:[
            { required: true, message: '请输入用户密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
      }
      }
    },
    methods:{
      // 重置按钮
      resetLoginForm(){
        // console.log(this)
        this.$refs.loginFormRef.resetFields();
      },
      login(){
        this.$refs.loginFormRef.validate(async (valid)=>{
          if (!valid) return;
          const {data:res} = await this.$http.post('login',this.loginForm);
          if (res.meta.status !==200)return this.$message.error('登录失败');
          this.$message.success('登录成功');
          window.sessionStorage.setItem('token',res.data.token);
          this.$router.push('/home');
        });
      }
    }
  }
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .avatat_boc {
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }

  .login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .login_btns{
    display: flex;
    justify-content: flex-end;
  }
</style>
